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Make an Air Sensitive Solution

Make an Air Sensitive Solution

Greetings fellow nerds. In this video we’re going to make a solution that changes color upon exposure to air. First we start with about 200mg of copper chloride. The exact amount is not critical. To this we add 10 mL… Continue Reading

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Acid-Base Reactions in Solution: Crash Course Chemistry #8

Acid-Base Reactions in Solution: Crash Course Chemistry #8

All right, so you’re studying Chemistry, what’s the worst that could happen? In most classes, the worst that can happen is just abject, total failure. You’re just like failing the test, failing the class, having to rethink your life choices,… Continue Reading

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Conductivity of Solutions

Conductivity of Solutions

Oh hi! Today we’re going to learn about solutions and how they conduct electricity (or don’t). Tap water. (oooo) Distilled water. (huh? what?) Salt water—one teaspoon per up. Hydrochloric acid. (nice) Sodium hydroxide. (just as concentrated) Sugar water. SWEET! Vinegar—a… Continue Reading

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Mechanisms of DNA Damage and Repair

Professor Dave again, let’s learn about the mechanisms of DNA damage and repair. As we’ve learned, your DNA is the template from which everything inside you is built, so it’s incredibly important that nothing happens to this code. But your… Continue Reading

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How Do Lithium-Ion Batteries Work?

So you’re outside chasing around that rare Squirtle, when BAM–your phone dies! We can’t help you catch Pokémon, but we can give you three hacks for keeping your phone battery juiced. [Splash] Alright before we get into the hacks–here’s how… Continue Reading

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How to Do Solution Stoichiometry Using Molarity as a Conversion Factor | How to Pass Chemistry

Molarity is just another word for concentration. The formula for molarity is equal to the moles of your solute, divided by the liters of your solution. Now molarity can be used as a conversion factor because it has two different… Continue Reading

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Calculating Ion Concentrations in Solution

Hey it’s professor Dave, let’s learn how to calculate ion concentrations. We know how to do stoichiometric calculations, so let’s apply our knowledge to a specific task. We want to be able to calculate the concentration of various ions in… Continue Reading

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The SOLUTIONS Song -NOW WITH CLOSED CAPTION SO YOU CAN SING ALONG! Mr. Edmonds –

The SOLUTIONS Song -NOW WITH CLOSED CAPTION SO YOU CAN SING ALONG!  Mr. Edmonds  –

1) A solution is a type of mixture, that is homogeneous. It means that it’s the same throughout, the same throughout. It is the best mixed mixture, of two or more substances. When one of the components is water, it’s… Continue Reading